Simplify
1) 4√-4+5√-9 - 3√-16
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Answer:
4√-4 + 5√-9 - 3√-16 = 11√-1
Step-by-step explanation:
Given: 4√-4 + 5√-9 - 3√-16
w.k.t., √-1 = i
= 4√4i + 5√9i - 3√16i
= 4(2i) + 5(3i) - 3(4i)
= 8i + 15i - 12i
= 11 i
= 11√-1
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